28992414 has 16 divisors (see below), whose sum is σ = 63256320. Its totient is φ = 8785560.

The previous prime is 28992413. The next prime is 28992421. The reversal of 28992414 is 41429982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28992413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219574 + ... + 219705.

It is an arithmetic number, because the mean of its divisors is an integer number (3953520).

Almost surely, 2^28992414 is an apocalyptic number.

28992414 is an abundant number, since it is smaller than the sum of its proper divisors (34263906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28992414 is a wasteful number, since it uses less digits than its factorization.

28992414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439295.

The product of its digits is 41472, while the sum is 39.

The square root of 28992414 is about 5384.4604186492. The cubic root of 28992414 is about 307.2048910422.

The spelling of 28992414 in words is "twenty-eight million, nine hundred ninety-two thousand, four hundred fourteen".